<template>
    <div class="header">
        <div class="content-wrapper">
          <div class="avatar">
            <img width="64" height="64" :src="seller.avatar" alt="">
          </div>

          <div class="content">
            <div class="title">
              <span class="brand"></span>
              <span class="name">{{seller.name}}</span>
            </div>
            <div class="discription">
              {{seller.description}}/{{seller.deliveryTime}}分钟送达
            </div>
            <div v-if="seller.supports" class="support">
              <span class="icon" :class="classMap[seller.supports[0].type]"></span>
              <span class="text">{{seller.supports[0].description}}</span>
            </div>
          </div>
          <div v-if="seller.supports" class="support-count">
            <span @click="showDetail" class="count">{{seller.supports.length}}个</span>
            <i></i>
          </div>
        </div>
        <div @click="showDetail" class="bulletin-wrapper">
          <span class="bulletin-title"></span><span class="bulletin-text">{{seller.bulletin}}</span>
          <i></i>
        </div>
        <div class="background">
          <img :src="seller.avatar" width="100%" height="100%" alt="">
        </div>

        <transition name="fade">
          <div v-if="show" class="detail">
            <!-- 布局案例stick footer -->
            <div class="detail-wrapper clearfix">
              <div class="detail-main">
                <h1 class="name">{{seller.name}}</h1>
                <!-- 星星组件的样式就不进行修改了  使用元素包起来修改外面的样式 -->
                <div class="star-wrapper">
                  <v-star :size=48 :score=2.7></v-star>
                </div>
                <!-- 星星组件结束 -->
                <!-- title组件可以抽取 -->
                <div class="title">
                  <div class="line"></div>
                  <div class="text">优惠信息</div>
                  <div class="line"></div>
                </div>
                <!-- title结束 -->
                <ul v-if="seller.supports" class="supports">
                  <li class="support-item" v-for="(item,index) in seller.supports" :key="index">
                    <span class="icon" :class="classMap[seller.supports[index].type]"></span>
                    <span class="text">{{seller.supports[index].description}}</span>
                  </li>
                </ul> 
                
              </div>
            </div>
            <div @click="hideMask" class="detail-close">
              <i class="icon-close"></i>
            </div>
            <!-- 布局案例stick footer -->
          </div>
        </transition>
        
    </div>
</template>

<script>
import star from "../star/star";
export default {
  props: {
    seller: {
      type: Object
    }
  },
  data() {
    return {
      show: false
    };
  },
  created() {
    this.classMap = ["decrease", "discount", "special", "invoice", "guarantee"];
  },
  methods: {
    showDetail() {
      this.show = true;
    },
    hideMask() {
      this.show = false;
    }
  },
  components: {
    vStar: star
  }
};
</script>

<style lang="stylus" scoped>
@import '../../common/stylus/mixin.styl';

.header {
  color: #fff;
  // background: #999;
  background-color: rgba(7, 17, 27, 0.5);
  overflow: hidden;
  position: relative;

  .content-wrapper {
    position: relative;
    padding: 24px 12px 18px 24px;
    font-size: 0px; // 这是因为avatar与content之间会有留白(空隙)

    .avatar {
      display: inline-block;
      vertical-align: top; // 以他的顶部对齐

      img {
        border-radius: 2px;
      }
    }

    .content {
      display: inline-block;
      margin-left: 16px;
      font-size: 14px;

      .title {
        margin: 2px 0 8px 0;

        .brand {
          width: 30px;
          height: 18px;
          display: inline-block;
          vertical-align: top;
          bg-image('brand');
          background-size: 30px 18px;
          background-repeat: no-repeat;
        }

        .name {
          margin-left: 6px;
          font-size: 16px;
          line-height: 18px;
          font-weight: bold;
        }
      }

      .discription {
        margin-bottom: 10px;
        line-height: 12px;
        font-size: 12px;
      }

      .support {
        .icon {
          display: inline-block;
          width: 12px;
          height: 12px;
          margin-right: 4px;
          background-size: 12px 12px;
          background-repeat: no-repeat;

          &.decrease {
            bg-image('decrease_1');
          }

          &.discount {
            bg-image('discount_1');
          }

          &.guarantee {
            bg-image('guarantee_1');
          }

          &.invoice {
            bg-image('invoice_1');
          }

          &.special {
            bg-image('special_1');
          }
        }

        .text {
          line-height: 12px;
          font-size: 12px;
          vertical-align: top;
        }
      }
    }

    .support-count {
      position: absolute;
      right: 12px;
      bottom: 18px;
      padding: 0 8px;
      height: 24px;
      line-height: 24px;
      border-radius: 14px;
      background-color: rgba(0, 0, 0, 0.2);
      text-align: center;

      .count {
        font-size: 10px;
      }
    }
  }

  .bulletin-wrapper {
    height: 28px;
    line-height: 28px;
    padding: 0 22px 0 12px;
    // 组合属性   多出内容点点点
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background-color: rgba(7, 17, 27, 0.2);

    .bulletin-title {
      display: inline-block;
      vertical-align: top;
      margin-top: 8px;
      width: 22px;
      height: 12px;
      bg-image('bulletin');
      background-size: 22px 12px;
      background-repeat: no-repeat;
    }

    .bulletin-text {
      vertical-align: top;
      margin: 0 4px;
      font-size: 10px;
    }
  }

  .background {
    position: absolute;
    // 相对于父元素  所以宽高也是父元素的100%  这里的父元素是由内容撑开的
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    filter: blur(10px); // 背景的模糊效果
  }

  .fade-enter-active, .fade-leave-active {
    transition: opacity .5s;
  }

  .fade-enter, .fade-leave-to {
    opacity: 0;
  }

  .detail {
    position: fixed;
    z-index: 100;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background: rgba(7, 17, 27, 0.8);

    .detail-wrapper {
      min-height: 100%; // 设置最小高度要盛满整个屏幕
      width: 100%;

      .detail-main {
        margin-top: 64px;
        padding-bottom: 64px;

        .name {
          line-height: 16px;
          text-align: center;
          font-size: 16px;
          font-weight: 700;
        }

        .star-wrapper {
          margin-top: 18px;
          padding: 2px 0;
          text-align: center;
        }

        // 弹性布局
        .title {
          display: flex;
          width: 80%;
          margin: 30px auto 24px auto;

          .line {
            flex: 1;
            position: relative;
            top: -6px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
          }

          .text {
            padding: 0 12px;
            font-size: 14px;
          }
        }

        .supports {
          width: 80%;
          margin: 0 auto;

          .support-item {
            padding: 0 12px;
            margin-bottom: 12px;
            font-size: 0;

            &last-child {
              margin-bottom: 0;
            }

            .icon {
              display: inline-block;
              width: 16px;
              height: 16px;
              vertical-align: top;
              margin-right: 6px;
              background-size: 16px 16px;
              background-repeat: no-repeat;

              &.decrease {
                bg-image('decrease_2');
              }

              &.discount {
                bg-image('discount_2');
              }

              &.guarantee {
                bg-image('guarantee_2');
              }

              &.invoice {
                bg-image('invoice_2');
              }

              &.special {
                bg-image('special_2');
              }
            }
            .text {
            line-height 12px;
            font-size: 12px;
          }
          }
        }
      }
    }

    .detail-close {
      position: relative;
      width: 32px;
      height: 32px;
      margin: -64px auto 0 auto;
      clear: both;
      font-size: 32px;
    }
  }
}
</style>

